Testing For Cations with NaOH (aq) Flashcards by Pablo Trénor

Q

Al (3+ charge)

A

White ppt, dissolves in excess NaOH

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Q

Ca (2+ charge)

A

White ppt, insoluble in excess

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Q

Cu (2+ charge)

A

Blue ppt, insoluble in excess

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Q

Cr (3+ charge)

A

Grey-green ppt, soluble in excess

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Q

Fe (2+ charge)

A

Grey-green ppt, insoluble in excess

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Q

Fe (3+ charge)

A

Reddish ppt, insoluble in excess

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Q

Zn (2+ charge)

A

White ppt, soluble in excess

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